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Waiting Tolerance: Ramp Delay vs. Freeway Congestion


Author Info

  • David Levinson

    (Nexus (Networks, Economics, and Urban Systems) Research Group, Department of Civil Engineering, University of Minnesota)

  • Kathleen Harder
  • John Bloomfield

    (College of Architecture and Landscape Architecture, University of Minnesota)

  • Kathy Carlson


Waiting tolerance at ramp meters and travel time on the freewaywere measured using a computer administered stated preference (CASP) survey and a virtual experience stated preference (VESP) methodemploying a driving simulator.The selections varied in the number of minutes waiting at a ramp meter with vehicle speed once on the freeway. The subjects ranked the selections in order of preference. The results were statistically analyzed using a binary logit model controlling for demographics, socioeconomic characteristics, daily travel time, and personality scores.The results by the CASP method displayed a preference for freeway congestion to ramp delay, but opposite results were obtained by the VESP method. A number of reasons are posited to explain the difference, but the results indicate that method of stated preference data collection can significantly affect conclusions drawn.

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Bibliographic Info

Paper provided by University of Minnesota: Nexus Research Group in its series Working Papers with number 200602.

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Date of creation: 2006
Date of revision:
Publication status: Published in Transportation Research part F: Traffic Psychology and Behaviour Volume 9, Issue 1 , January 2006, Pages 1-13. [
Handle: RePEc:nex:wpaper:waitingtolerance

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Postal: Dept. of Civil Engineering, 500 Pillsbury Drive SE, Minneapolis, MN 55455
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Related research

Keywords: Ramp meters; Personality; Stated preference; Driving simulator; Travel time;

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Cited by:
  1. Pavithra Parthasarathi & Anupam Srivastava & Nikolas Geroliminis & David Levinson, 2009. "The Importance of Being Early," Working Papers 201103, University of Minnesota: Nexus Research Group.
  2. Zhu, Shanjiang & Levinson, David & Liu, Henry X. & Harder, Kathleen, 2010. "The traffic and behavioral effects of the I-35W Mississippi River bridge collapse," Transportation Research Part A: Policy and Practice, Elsevier, vol. 44(10), pages 771-784, December.
  3. Carlos Carrion & David Levinson, 2010. "Value of Travel Time Reliability: A review of current evidence," Working Papers 000085, University of Minnesota: Nexus Research Group.


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